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The diffusion coefficients for species A in metal B are given at two temperatures: (a) Determine the value of the activation energy Qd (in J/mol).

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The diffusion coefficients for species A in metal B are given at two temperatures: (a) Determine the value of the activation energy Qd (in J/mol). J/mol (b) Determine the value of D0. m2/s (Use scientific notation.) (c) What is the magnitude of D at 1160C ? m2/ (Use scientific notation.)

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